# Sienna Montessori School Sienna Montessori School is a licensed child care program (child care center) in Missouri City, TX serving ages Infant, Toddler, Pre-Kindergarten, School, with 168 licensed seats. It is regulated by TX HHSC. ## Key facts - Status: Full Permit · Operating - Address: 10010 Steep Bank Trce, Missouri City, TX 77459 - Ages: Infant, Toddler, Pre-Kindergarten, School - Capacity: 168 - License/permit: 554152 - Operator: not published - Phone: (281) 778-2223 - Website: SIENNA MONTESSORI.COM - Hours: 06:30 AM-06:30 PM (Mon, Tue, Wed, Thu, Fri) - Accepts child care subsidies: no - Official regulator profile: https://childcare.hhs.texas.gov/Public/OperationDetails?operationId=169364 ## Inspection record 25 findings across 12 Texas HHSC inspections (2021-12-03 to 2026-09-10); 11 rated serious; 0 open at last record. - 2026-09-10 — Facilities & equipment, Medium-high risk, Correction verified 2026-09-18: Types of Vehicles Used to Transport Children - Be Maintained Safely: A seatbelt buckle at the back of a bus was observed to be broken. (§746.5603(c); [type](https://www.kinfield.site/violation/tx-tac-746-5603-c)) - 2025-09-15 — Facilities & equipment, Medium-high risk, Correction verified 2025-09-18: Safety Requirements for Cribs - Snug Fitting Sheets: Cribs that are being used by infants was observed to not have snug fitted sheets. (§746.2409(a)(2); [type](https://www.kinfield.site/violation/tx-tac-746-2409-a-2)) - 2025-09-15 — Staff qualifications & clearances, Medium risk, Correction verified 2025-09-16: Required Personnel Records- Meets Requirements: 3 out of 10 staff records evaluated did not have documentation showing education credentials. (§746.901(2); [type](https://www.kinfield.site/violation/tx-tac-746-901-2)) - 2025-09-15 — Staff qualifications & clearances, Medium-low risk, Correction verified 2025-09-16: Required Personnel Records - Required Affidavit (Form 2912): 6 out of 10 files evaluated did not have the preemployment affidavit in the file. (§746.901(5); [type](https://www.kinfield.site/violation/tx-tac-746-901-5)) - 2025-09-15 — Supervision & ratios, Medium risk, Correction verified 2025-09-23: Written Operational Policies - Parent Rights: 7 out of 10 children's records evaluated did not have the parent rights form completed. (§746.501(a)(20); [type](https://www.kinfield.site/violation/tx-tac-746-501-a-20)) - 2025-09-15 — Food & nutrition, Medium risk, Correction verified 2025-09-16: Written Feeding Instructions - Review and Update Every 30 Days: Three infants did not have an updated feeding instruction that is required to be updated every 30 days. (§746.2421(b); [type](https://www.kinfield.site/violation/tx-tac-746-2421-b)) - 2025-09-15 — Safety hazards, Medium-high risk, Correction verified 2025-09-29: Floors, ceilings and Walls in Good Repair and Clean: Two bathrooms in two different classrooms were observed to have the based board peeling and detached from the wall. (§746.3407(9); [type](https://www.kinfield.site/violation/tx-tac-746-3407-9)) - 2025-09-15 — Safety hazards, Medium risk, Correction verified 2025-09-16: Children's Records - Health Statement: 5 out 10 children's records evaluated did not have a health statement in their file. (§746.603(a)(3); [type](https://www.kinfield.site/violation/tx-tac-746-603-a-3)) - 2025-09-15 — Fire safety & emergency drills, High risk, Correction verified 2025-09-16: Required Admission Information - Emergency Medical Authorization: 5 out of 10 children's records evaluated did not have completed the authorization for emergency medical attention. (§746.605(11); [type](https://www.kinfield.site/violation/tx-tac-746-605-11)) - 2025-09-15 — Staff qualifications & clearances, Medium-low risk, Correction verified 2025-09-16: Required Personnel Records - Required Affidavit (Form 2985): 2 out 10 staff records evaluated did not have a notarized affidavit in the file (§746.901(4); [type](https://www.kinfield.site/violation/tx-tac-746-901-4)) - 2025-01-21 — Staff qualifications & clearances, Medium-low risk, Correction verified 2025-01-28: Report Number of Employees: A review of the Employees Who Left Employment in 2024 data revealed that the center had not reported the number of employees who left employment in 2024 by January 15, 2025, as required. (§746.303(b); [type](https://www.kinfield.site/violation/tx-tac-746-303-b)) - 2024-09-20 — Staff qualifications & clearances, Medium-high risk, Correction verified 2024-10-04: CPR Training and Recertification Adhere to Guidelines-skill based: 5 out of 5 staff files reviewed showed caregivers and the director with online CPR certification that does not meet minimum standard requirements. (§746.1315(b)(1); [type](https://www.kinfield.site/violation/tx-tac-746-1315-b-1)) - 2024-09-20 — Supervision & ratios, Medium-high risk, Correction verified 2024-10-02: Training Requirements for Employees, Caregivers, and Directors - Pre-Service Training: A caregiver hired 9/9/24 with no previous childcare experience did not have proof that 8 hours of preservice had been completed prior to being counted in ratio. (§746.1301(a)(2)(A); [type](https://www.kinfield.site/violation/tx-tac-746-1301-a-2-a)) - 2024-09-20 — Staff qualifications & clearances, Medium-high risk, Correction verified 2024-09-26: Training Requirements for Employees, Caregivers, and Directors - Orientation: A caregiver hired 9/8/24 did not have proof that orientation had been completed within 7 days. (§746.1301(a)(1)(A); [type](https://www.kinfield.site/violation/tx-tac-746-1301-a-1-a)) - 2024-09-20 — Staff qualifications & clearances, Medium risk, Correction verified 2024-09-23: Children's Records - Immunizations: One child did not have a copy of their must current immunizations on file and was missing 3 required immunizations. (§746.603(a)(4); [type](https://www.kinfield.site/violation/tx-tac-746-603-a-4)) - …and 10 more on the source page. ## Nearby programs - [Kids R Kids #47](https://www.kinfield.site/facility/tx-hhsc-328189) — 1.51 km, capacity 323 - [Primrose School of Sienna](https://www.kinfield.site/facility/tx-hhsc-1231558) — 1.85 km, capacity 195 - [Sienna Kids Academy](https://www.kinfield.site/facility/tx-hhsc-982308) — 2.17 km, capacity 223 - [St. Catherine of Sienna Episcopal School](https://www.kinfield.site/facility/tx-hhsc-828888) — 2.2 km, capacity 77 - [St. Angela's Angels Mother's Day Out](https://www.kinfield.site/facility/tx-hhsc-1535975) — 2.25 km, capacity 60 - [Montessori School of Sugar Land Sienna](https://www.kinfield.site/facility/tx-hhsc-1278656) — 2.25 km, capacity 250 ## Sources - tx_hhsc_operations record 169364 (verified, retrieved 2026-11-05): https://data.texas.gov/resource/bc5r-88dy.json?operation_id=169364 - us_census_geocoder record 10010 STEEP BANK TRCE|MISSOURI CITY|TX|77459 (verified, retrieved 2026-11-05): https://geocoding.geo.census.gov/geocoder/ - tx_twc_subsidy_providers record 554152 (verified, retrieved 2026-11-06): https://data.texas.gov/resource/wmur-pmzc.json?state_id=554152 - tx_twc_ccs_facilities record row-7v5e~uf4c.gm6f (historical, retrieved 2026-11-06): https://data.texas.gov/resource/bsvz-ncuc.json?state_id=554152 --- Source page: https://www.kinfield.site/facility/tx-hhsc-169364 · Kinfield — Childcare Intelligence. Facts come from public regulator records; historical inspection data is labelled. Missing data never means no issue exists.